• Easy-to-replace ink refill for use with most liquid gel pens
• Four boxes of 12 ink refills pre-filled with black ink
  
• Ink produces smooth, consistent marks across paper
• Ink dries quickly; great for left-handed writers
• 0.7mm needle tip creates medium lines
• Product dimension: 4.33" x 0.22" x 0.22" (LxWxH)
• Originally sold at https://www.amazon.com/dp/B08WK84SGX